TRACK ADJUSTER & RECOIL GP 1453027 - Caterpillar

Remove Automatic Timing Advance
1. Remove nuts (1), cover (2), and the gasket. 2. Remove four bolts (3) and automatic timing advance (4). Remove the O-ring seals from the automatic timing advance. 3. Remove gear (6) from fuel injection pump camshaft (5).Install Automatic Timing Advance
1. Remove the plug from the timing pin hole in the fuel injection pump housing, and install tool (A) in the timing pin hole.2. Install two 7/16" x 20 NF x 4" long bolts in fuel injection pump camshaft (1). Slowly rotate the fuel injection pump until tool (A) goes into the groove in the fuel injection pump camshaft. Remove the bolts from the camshaft. 3. Put No. 1 piston at the top center compression position (TDC) with the following procedure:a. Remove plug (3), timing bolt (4) and cover (2) from the flywheel housing. b. Install tool (B) in the flywheel housing. Use tool (B) to slowly rotate the engine in the direction of normal rotation (counterclockwise as seen from the flywheel end of the engine) until timing bolt (4) can be installed in the flywheel housing and into the hole in the flywheel. c. Remove the valve cover from the valve cover base. Check to see if both rocker arms (5) for the No. 1 cylinder can be moved backward and forward. The No. 1 piston is at the top center compression position (TDC) when